Avoid accidentally creating wxStringOutputStream from a wxString pointer, this seems unlikely, but why take the risk of it happening at all.
		
			
				
	
	
		
			73 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
	
	
			
		
		
	
	
			73 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
	
	
| /////////////////////////////////////////////////////////////////////////////
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| // Name:        sstream.h
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| // Purpose:     interface of wxStringInputStream
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| // Author:      wxWidgets team
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| // Licence:     wxWindows licence
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| /////////////////////////////////////////////////////////////////////////////
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| 
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| /**
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|     @class wxStringInputStream
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| 
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|     This class implements an input stream which reads data from a string.
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|     It supports seeking.
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| 
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|     @library{wxbase}
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|     @category{streams}
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| */
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| class wxStringInputStream : public wxInputStream
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| {
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| public:
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|     /**
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|         Creates a new read-only stream using the specified string.
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| 
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|         Note that the string is copied by the stream so if the original string is
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|         modified after using this constructor, changes to it are not reflected
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|         when reading from stream.
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|     */
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|     wxStringInputStream(const wxString& s);
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| };
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| 
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| 
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| 
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| /**
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|     @class wxStringOutputStream
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| 
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|     This class implements an output stream which writes data either to a
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|     user-provided or internally allocated string.
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| 
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|     Note that currently this stream does not support seeking but can tell
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|     its current position.
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| 
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|     @library{wxbase}
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|     @category{streams}
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| */
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| class wxStringOutputStream : public wxOutputStream
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| {
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| public:
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|     /**
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|         Construct a new stream object writing the data to a string.
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| 
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|         If the provided pointer is non-@NULL, data will be written to it.
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|         Otherwise, an internal string is used for the data written to this
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|         stream, use GetString() to get access to it.
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| 
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|         If @a str is used, data written to the stream is appended to the current
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|         contents of it, i.e. the string is not cleared here. However if it is not
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|         empty, the positions returned by wxOutputStream::TellO will be offset by
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|         the initial string length, i.e. initial stream position will be the
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|         initial length of the string and not 0.
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| 
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|         Notice that the life time of @a conv must be greater than the life time
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|         of this object itself as it stores a reference to it. Also notice that
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|         with default value of this argument the data written to the stream must
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|         be valid UTF-8, pass @c wxConvISO8859_1 to deal with arbitrary 8 bit data.
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|     */
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|     explicit wxStringOutputStream(wxString* pString = NULL, wxMBConv& conv = wxConvUTF8);
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| 
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|     /**
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|         Returns the string containing all the data written to the stream so far.
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|     */
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|     const wxString& GetString() const;
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| };
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| 
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